Digital Select Calling (DSC) Operation

Digital Select Calling (DSC) Operation

Operating Your Radio

Caller Identified

Receiving An Individual Call

When another station makes an Individual call to your radio, the individual alarm will sound, the caller will be identified on the LCD, and your radio will ask to be switched to the channel selected by the caller. Press Call/Set to switch to requested channel and an acknowledgement will be sent to caller. If WX/UIC button is pressed, channel doesn’t change and no acknowledgement will be sent. Press any button to turn Off the alarm.

To Receive An Individual Call:

1.Press the Talk button and greet the caller — almost as if you were answering the telephone.

Operating Your Radio

Receiving A Group Call

When another station makes a Group call to your radio, the individual alarm will sound, the caller will be identified on the LCD, and your radio will be switched to the channel selected by the caller, just as for an individual call. Press any button to turn Off the alarm.

Caller Identified

To Receive A Group Call:

1.Listen for the group voice message.

2.Press the Talk button and respond only if appropriate.

Sending A Position Request

Position Request mode enables a DSC radio to obtain the position (latitude and longitude) of a station that has a GPS device connected

Sending A Group Call

Sending a Group call is very similar to sending an individual call, except that

to the DSC radio at that station.

the group MMSI is used and the resend and DSC responses do not apply.

Standby Mode

To Request The Position Of Another Station:

1. In Standby mode, select a channel on which

Standby Mode

Group

Send/Exit

To Send A Group Call:

1.In Standby mode, select a channel on which you want to communicate.

2.Press the Call/Set button to enter the Call Send menu.

3.Use the Up/Down buttons to scroll to GROUP.

4.Press the Call/Set button to move to the send or exit menu.

5.Use the Up/Down buttons to select SEND or EXIT.

6.Press the Call/Set button to send the message or return to the Call Send menu if EXIT was chosen.

All radios will be switched to the channel selected in step 1. Press and hold the Talk button to send your voice message to everyone in the group.

Anyone in the group can now also transmit on that channel.

Position Request

Individual Directory

 

you want to communicate.

2.

Press the Call/Set button to enter the

 

Call Send menu.

3.

Use the Up/Down buttons to scroll to

 

POSREQST (position request) on

 

the menu.

4.

Press the Call/Set button to enter the

 

Individual Directory menu.

5.

Use the Up/Down buttons to scroll to the

 

name of the station whose position you

 

want to request.

Group Waiting

 

 

 

 

52 English

Nothing Comes Close to a Cobra® 53

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Cobra Electronics MR F75-D owner manual Receiving An Individual Call, Receiving a Group Call, Sending a Position Request

MR F75-D specifications

Cobra Electronics has long been a name associated with reliable communication solutions, and the MR F75-D is no exception. This high-performance marine VHF radio is designed specifically for boaters, offering a blend of essential features, advanced technologies, and user-friendly characteristics that make it an excellent choice for both recreational and commercial marine applications.

One of the standout features of the MR F75-D is its Class D DSC (Digital Selective Calling) capability, which allows users to send distress calls and communicate with other vessels or coast guard stations at the push of a button. This increases safety on the water, as it provides an automated means to alert others in case of emergencies.

The radio operates seamlessly on the vital marine channels, ensuring that users have access to all the necessary frequencies for navigation and communication. With an impressive 25 watts of transmitting power, the MR F75-D provides extended range, ensuring that calls can be made even in challenging conditions.

The Cobra MR F75-D boasts an ergonomic design featuring a solid weather-resistant construction to withstand the harsh marine environment. Its large, easy-to-read backlit LCD display enhances readability in bright sunlight or low-light conditions, making it accessible under various circumstances.

Moreover, the radio includes a built-in NOAA weather radio with alerts. This feature keeps users informed about local weather conditions and forecasts, enabling them to make better decisions while out at sea. The option to scan channels and save favorites makes it easy to navigate through crowded frequencies to find the right communication line.

The MR F75-D is equipped with Dual Watch and Tri-Watch functions, allowing users to monitor two or three channels simultaneously. This increases the chances of receiving essential messages while on the water, providing greater peace of mind.

With a compact design, the MR F75-D can fit easily on most boats, while the intuitive controls enhance usability. The radio also supports external GPS connection, offering even better situational awareness.

In conclusion, the Cobra Electronics MR F75-D is a versatile, durable, and feature-rich marine VHF radio. With its DSC capabilities, NOAA weather notifications, and robust build, it proves to be an invaluable tool for safe and efficient marine communication, making it a top choice for any boating enthusiast.